On the security of a cryptosystem based on multiple-parameters discrete fractional Fourier transform

被引：28
|
作者：
Youssef, Amr M. [1 ]
机构：
[1] Concordia Univ, Concordia Inst Informat Syst Engn, Montreal, PQ H3G 1T7, Canada
来源：
IEEE SIGNAL PROCESSING LETTERS | 2008年 / 15卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
discrete fractional Fourier transform; media security; multimedia signal processing; multiple-parameter discrete fractional Fourier transform;
D O I：
10.1109/LSP.2007.910299
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Pei and Hsue (IEEE Signal Processing Letters, Vol. 13, No. 6, pp. 329-332, June 2006) proposed an encryption scheme based on multiple-parameter discrete fractional Fourier transform. We show that all the building blocks of this scheme are linear, and hence, breaking this scheme, using a known plaintext attack, is equivalent to solving a set of linear equations.
引用
收藏
页码：77 / 78
页数：2
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